RFC 3448 · PROPOSED STANDARD · 2003

TCP Friendly Rate Control : Protocol Specification

Overview

RFC 3448, “TCP Friendly Rate Control : Protocol Specification”, is a Proposed Standard document published in January 2003 by M. Handley, S. Floyd, J. Padhye, J. Widmer. It has been obsoleted by RFC 5348 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.

Abstract

This document specifies TCP-Friendly Rate Control (TFRC). TFRC is a congestion control mechanism for unicast flows operating in a best- effort Internet environment. It is reasonably fair when competing for bandwidth with TCP flows, but has a much lower variation of throughput over time compared with TCP, making it more suitable for applications such as telephony or streaming media where a relatively smooth sending rate is of importance. [STANDARDS-TRACK]

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 3448 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
Obsoleted by
RFC 5348
Other RFCs from 2003

Who Is Online

In total there are 75 users online: 0 registered, 68 guests and 7 bots.

Most users ever online was 5,555 on 17 Jul 2026, 3:23 am.

Bots: AhrefsBot Applebot Baiduspider Bingbot Other Bot PetalBot SemrushBot

Users active in the past 15 minutes. Total registered members: 372